ZS_WSYNC           55 drivers/tty/serial/ip22zilog.c #define ZS_WSYNC(channel)	do { } while (0)
ZS_WSYNC           60 drivers/tty/serial/sunzilog.c #define ZS_WSYNC(channel)	do { } while (0)
ZS_WSYNC           64 drivers/tty/serial/sunzilog.c #define ZS_WSYNC(__channel) \